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Finding the Fourth Proportional to 65,730.40, 98,636.10 and 26,283.40

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Solution

The fourth proportional to 65,730.40, 98,636.10 and 26,283.40 is: 39,441.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,730.40 : 98,636.10 = 26,283.40 : x
  2. Step 2: Convert to fraction form
    65,730.40/98,636.10 = 26,283.40/x
  3. Step 3: Cross multiply
    65,730.40x = 98,636.10 × 26,283.40
  4. Step 4: Simplify right side
    65,730.40x = 2,592,492,070.74
  5. Step 5: Solve for x
    x = 2,592,492,070.74/65,730.40
  6. Step 6: Final answer
    x = 39,441.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.